[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Oct 03 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Oct 03 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was at very low levels under a spotless visible disk. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to be very low on 03-05 Oct.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels with a peak flux of 38,700 pfu observed at 02/1610 UTC. The greater than 10 MeV proton flux was at background levels.

Forecast: The greater than 2 MeV electron flux is expected to reach high levels with a chance for very high levels on 03-05 Oct. The greater than 10 MeV proton flux is expected continue at background levels on 03-05 Oct.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the DSCOVR spacecraft, reflected diminishing influence of a positive polarity CH HSS. Solar wind speeds slowly decline from ~510 km/s to near 450 km/s by the periods end. Total magnetic field strength was below 5 nT. Phi angle was predominantly oriented in the positive sector.

Forecast: Solar wind parameters are expected to continue a slow decline through 03 Oct as CH HSS influence wanes. A return to nominal solar wind conditions is expected by 04 Oct.

Geospace

24 hr Summary: The geomagnetic field was at quiet to unsettled levels due to persistent CH HSS effects.

Forecast: Quiet to unsettled levels are expected on 03 Oct as HSS effects continue to diminish. Mostly quiet conditions are expected on 04-05 Oct.

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Live data: SunSpotWatch.com

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